| APTC | Association of Publicly Traded Companies | 公开交易公司协会 |
| APTC | Authorized Certified Prometric Testing Center (Microsoft exams) | 授权认证Prometric测试中心（Microsoft考试） |
| APTC | Atlantic Petroleum Training College | 大西洋石油培训学院 |
| APTC | Asia-Pacific Trusted Infrastructure Technologies Conference | 亚太可信基础设施技术会议 |
| APTC | Atlantic Physical Therapy Center | 大西洋物理治疗中心 |
| APTC | Authorized Prometric Testing Center | 授权Prometric测试中心 |
| APTC | Adler Power Torque Clutch (Ducati motorcycles) | Adler动力扭矩离合器（Ducati摩托车） |
| APTC | Annual Proficiency Testing and Certification program | 年度能力测试和认证计划 |
| APTC | Annual Proficiency Testing and Certification | 年度能力测试和认证 |
| APTC | Applied Practicum Training Course | 应用实训课程 |
| APTC | Atlantic Provinces Transportation Commission (Canada) | 大西洋省运输委员会（加拿大） |
| APTC | Akron Polymer Training Center | Akron聚合物培训中心 |
| APTC | Antiplatelet Trialists' Collaboration | 抗血小板试验协作组 |
| APTC | American Property Tax Counsel | 美国财产税顾问 |
| APTC | Australian Pacific Technical College | 澳大利亚太平洋技术学院 |
| APTC | Atlantic Provinces Telecommunications Council | 大西洋省电信委员会 |
| APTC | Allow Partially Trusted Caller (attribute; also seen as APTCA) | 允许部分受信任的呼叫者（属性；也称为APTCA） |
| APTC | AssociaciÓ del Professorat de Tecnologia de Catalunya (Technology Teachers Catalonia Spain) | AssociaciÓ del Professorat de Tecnologia de Catalunya (Technology Teachers Catalonia Spain) |
| APTC | Advanced Processor Temperature Control | 高级处理器温度控制 |
| APTC | Adler Power Torque Clutch | 阿德勒动力扭矩离合器 |